Presence of Asteroid Belts & Gas Giants In Systems Key to Finding Extra-Solar Life

asteroid-belt-indicate-life
Image: NASA/JPL-Caltech

According to the theory of punctuated equilibrium, evolution will go faster when life has to make rapid changes to survive in challenging environments. Life with an asteroid belt in system can be quite varied and dramatic. Multi-cellular life might need an asteroid belt to provide the right number of hits to spur on evolution.

Continue reading “Presence of Asteroid Belts & Gas Giants In Systems Key to Finding Extra-Solar Life”